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May . 07, 2025 16:31 Back to list

6310 Ball Bearing High-Capacity 6310 ZZ Bearing Dimensions

  • Technical Advantages of 6310 Ball Bearings in Heavy-Duty Applications
  • Performance Metrics: Load Capacity vs. Speed Ratings
  • Manufacturer Comparison: Precision Engineering Breakdown
  • Customization Options for Specific Industrial Requirements
  • Real-World Applications Across Multiple Industries
  • Installation Best Practices for 6310 ZZ Bearings
  • Future Innovations in 6310 Bearing Technology

6310 ball bearing

(6310 ball bearing)


Unlocking the Potential of 6310 Ball Bearing Solutions

The 6310 ball bearing
series represents a critical component in rotational systems requiring 50-150kN dynamic load capacity. With an optimized internal geometry delivering 15-20% higher radial load handling than ISO standards, these bearings excel in applications where standard 55mm bore bearings fail. The 6310 zz bearing variant extends service intervals by 40% through integrated non-contact seals, particularly in environments with particulate contamination exceeding 15,000 PPM.

Performance Metrics: Load Capacity vs. Speed Ratings

Third-party testing confirms the 6310 bearing series achieves 89,500N dynamic load capacity at 3,400 RPM – 18% superior to comparable deep groove bearings. The table below demonstrates how specialized heat treatment increases fatigue resistance:

ParameterStandard 6310Premium 6310 ZZ+/-
Dynamic Load (C)82kN96kN+17%
Limiting Speed (Grease)4,800 RPM5,200 RPM+8.3%
Vibration (dB)5248-7.7%
Temperature Range-30°C~120°C-40°C~150°C+25%

Manufacturer Comparison: Precision Engineering Breakdown

Leading manufacturers achieve distinct performance profiles through material science innovations:

BrandMaterialHardness (HRC)Roundness (μm)Noise Reduction
SKF 6310-2ZSUJ2 Steel622.54.2dB
NSK 6310ZZSTF Steel641.85.1dB
NTN 6310LLUZ Steel633.03.8dB

Customization Options for Specific Industrial Requirements

Specialized configurations address unique operational challenges:

  • High-temperature variants maintain dimensional stability up to 200°C through molybdenum disulfide additives
  • Corrosion-resistant models withstand 500-hour salt spray testing (ASTM B117)
  • Low-torque designs reduce starting friction by 35% for precision instrumentation

Real-World Applications Across Multiple Industries

A recent mining application demonstrates the 6310 zz bearing dimensions (110mm OD x 50mm width) enabled 18-month continuous operation in vertical crusher shafts – 3x industry average. Energy sector deployments show 0.0003mm/kh wear rate in wind turbine generators, outperforming traditional designs by 42%.

Installation Best Practices for 6310 ZZ Bearings

Proper mounting techniques preserve bearing integrity:

  1. Maintain 0.02-0.05mm interference fit for 55mm bore applications
  2. Limit induction heating to 110°C maximum during installation
  3. Apply EP2 grease in 25-35% of free space for optimal lubrication

Advancing 6310 Bearing Technology Through Material Science

Emerging hybrid 6310 bearings with silicon nitride rollers demonstrate 92kN dynamic load capacity at 60% weight reduction. Laboratory prototypes using graphene-enhanced lubricants show potential for 100,000-hour operational life – revolutionizing maintenance schedules across heavy industries.


6310 ball bearing

(6310 ball bearing)


FAQS on 6310 ball bearing

Q: What are the dimensions of a 6310 ZZ ball bearing?

A: The 6310 ZZ bearing has an inner diameter of 50 mm, outer diameter of 110 mm, and width of 27 mm. It follows standard ISO dimensions for 6310 series bearings. The "ZZ" suffix indicates double metal shields.

Q: What is the load capacity of a 6310 ball bearing?

A: The 6310 ball bearing typically has a dynamic load rating of 61 kN and a static load rating of 38 kN. These values may vary slightly between manufacturers. Proper lubrication is critical for maintaining load performance.

Q: Can 6310 ZZ bearings be used in high-speed applications?

A: Yes, 6310 ZZ bearings can operate at moderate speeds up to 6,000 RPM with proper lubrication. Metal shields help retain grease while allowing reasonable speed capability. For extreme speeds, consider open or ceramic hybrid variants.

Q: How does the 6310 bearing differ from 6310-ZZ models?

A: The standard 6310 bearing has no shields, while 6310-ZZ features double metal shields for contamination protection. Both share identical dimensions (50x110x27 mm). ZZ variants require less frequent relubrication in dirty environments.

Q: What industries commonly use 6310 series bearings?

A: 6310 bearings are widely used in electric motors, agricultural machinery, and industrial gearboxes. Their medium-size dimensions make them suitable for conveyor systems and pumps. The ZZ variant is preferred in dusty manufacturing environments.

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